923144523 has 16 divisors (see below), whose sum is σ = 1489443840. Its totient is φ = 496480896.

The previous prime is 923144477. The next prime is 923144527. The reversal of 923144523 is 325441329.

It is not a de Polignac number, because 923144523 - 2¹⁰ = 923143499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (923144527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1292563 + ... + 1293276.

It is an arithmetic number, because the mean of its divisors is an integer number (93090240).

Almost surely, 2^923144523 is an apocalyptic number.

923144523 is a deficient number, since it is larger than the sum of its proper divisors (566299317).

923144523 is a wasteful number, since it uses less digits than its factorization.

923144523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585866.

The product of its digits is 25920, while the sum is 33.

The square root of 923144523 is about 30383.2934850717. The cubic root of 923144523 is about 973.6956559729.

The spelling of 923144523 in words is "nine hundred twenty-three million, one hundred forty-four thousand, five hundred twenty-three".